CN212077431U - Cloth defect detecting system - Google Patents
Cloth defect detecting system Download PDFInfo
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- CN212077431U CN212077431U CN202020694267.6U CN202020694267U CN212077431U CN 212077431 U CN212077431 U CN 212077431U CN 202020694267 U CN202020694267 U CN 202020694267U CN 212077431 U CN212077431 U CN 212077431U
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Abstract
The utility model provides a cloth defect detection system, which comprises a frame, an image acquisition module fixed on the frame, a light source module, a meter counting wheel, a supporting shaft and a cloth guide mechanism, the image acquisition module and the light source module are arranged on one side of the metering wheel, the metering wheel is arranged above the supporting shaft and is tightly attached to the radial end surface of the supporting shaft, the cloth to be measured is clamped between the metering wheel and the supporting shaft and is driven by the cloth guide mechanism to move to pass through the lower part of the image acquisition module, the image acquisition module is used for acquiring the surface images of the cloth passing below the image acquisition module, the image acquisition module comprises a plurality of cameras which are arranged in a straight line along the width direction array of the cloth, each camera is electrically connected with the meter counting wheel, and the meter counting wheel triggers each camera to work synchronously.
Description
Technical Field
The utility model belongs to the technical field of the fabrics printing and dyeing, concretely relates to cloth defect detecting system.
Background
Defects of the cloth, such as thread hooking, crease marks, holes, stains, oil needles, broken warps and wefts, color bars and the like, are main factors influencing the quality of the cloth, and the traditional cloth defect inspection mainly depends on manual work, but the manual work is too high, the detection quality is unstable, and the requirements of the current automatic production cannot be met; some existing cloth defect detection systems for textile printing and dyeing industry usually adopt a CCD industrial camera to acquire printed and dyed cloth surface images, and then defect conditions are analyzed through a computer.
Therefore, there is a need to provide a new cloth defect detecting system to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a novel cloth defect detecting system.
The utility model provides a cloth defect detecting system, includes the frame, is fixed in image acquisition module, light source module, meter rice wheel and the back shaft of frame and lead cloth mechanism, the image acquisition module with the light source module is located meter rice wheel one side, meter rice wheel is located the back shaft top is hugged closely the radial terminal surface setting of back shaft, the cloth centre gripping that awaits measuring in meter rice wheel with between the back shaft and by it follows to lead cloth mechanism drive motion image acquisition module below process, the image acquisition module is used for gathering the cloth surface image of following its below process, the image acquisition module includes that the width direction array along cloth sets up a plurality of cameras of arranging a straight line, each the camera with meter rice wheel electricity is connected, meter rice wheel triggers each the camera synchronous working.
Preferably, the cloth defect detection system further comprises a controller, the controller is a computer, the controller is electrically connected with the light source module, the meter counting wheel, the cameras and the cloth guide mechanism, and the controller is used for controlling the work of all the parts and processing and analyzing the surface images of the cloth shot by the cameras.
Preferably, along the width direction of the cloth, the image ranges shot by two adjacent cameras at least partially overlap.
Preferably, the number of the support shafts is four, the four support shafts are all positioned on the same horizontal plane, and two ends of each support shaft are fixedly connected with the rack;
the cloth feeding device is characterized in that a cloth feeding port and a cloth discharging port are respectively formed in two opposite side faces of the rack, two supporting shafts are correspondingly arranged at the position of the cloth feeding port, two supporting shafts are correspondingly arranged at the position of the cloth discharging port, and the metering wheel is tightly attached to the two radial end faces of the two supporting shafts at the cloth feeding port.
Preferably, the light source module comprises a first light source module and a second light source module, and the first light source module and the second light source module are symmetrically arranged on two sides of the image acquisition module.
Preferably, the first light source module and the second light source module each include a plurality of LED lamps arranged in an array.
Preferably, the cloth guide mechanism comprises two cloth guide rollers which are respectively arranged on two sides of the rack, and the two cloth guide rollers are mutually matched to convey the cloth to be detected from the lower part of the image acquisition module through the camera to shoot the surface image of the cloth.
Preferably, the rotation speed of the cloth guide roller is consistent with that of the metering wheel.
Preferably, the camera is a common camera.
Compared with the prior art, the utility model provides a cloth defect detecting system has following beneficial effect:
compared with a CCD industrial camera, the camera is lower in price and beneficial to reducing the production cost of an enterprise;
the first light source module and the second light source module are symmetrically arranged on two sides of the image acquisition module, so that the uniform illumination distribution in the shooting range of the image acquisition module is ensured;
triggering each camera to work synchronously through the metering wheel is favorable for associating the surface image of the cloth shot by the camera with the corresponding position on the cloth to be detected, and the position of the defect is conveniently searched subsequently.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural diagram of a cloth defect detecting system provided by the present invention;
fig. 2 is a schematic structural diagram of an image acquisition module and a light source module in the cloth defect detecting system shown in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a cloth defect detecting system 100, which includes a frame 1, an image collecting module 2, a light source module 3, a meter wheel 4, a supporting shaft 5, a cloth guiding mechanism 6 and a controller (not shown).
The frame 1 is a box structure with a containing space, two opposite side surfaces of the frame are provided with a cloth inlet 11 and a cloth outlet 12, and a support rod 13 for fixing the image acquisition module 2, the light source module 3 and the metering wheel 4 is arranged in the frame.
The image acquisition module 2 is used for acquiring the surface image of the cloth. Referring to fig. 2, the image capturing module 2 includes a plurality of cameras 21 arranged in a line along the width direction of the cloth. Compared with a CCD industrial camera, the camera is lower in price and beneficial to reducing the production cost of an enterprise. Preferably, the camera 21 is a general camera.
The light source module 3 is used for illuminating the surface of the piece of cloth to be shot by the camera 21, and can ensure that the illumination of the shooting range of the camera 21 is uniform, so that an accurate and clear image of the surface of the piece of cloth is obtained. Specifically, light source module 3 includes first light source module 31 and second light source module 32, first light source module 31 and second light source module 32 symmetry set up in image acquisition module 2 both sides are favorable to guaranteeing the illumination in image acquisition module 2's the shooting range distributes evenly. The first light source module 31 and the second light source module 32 each include a plurality of LED lamps arranged in an array. The LED lamp has good uniformity and consistency.
The supporting shaft 5 is arranged close to the lower part of the accommodating space. The quantity of back shaft 5 is four, four back shaft 5 all be located on same horizontal plane and both ends with 1 fixed connection of frame, the position correspondence of advancing cloth mouth 11 sets up two back shaft 5, the position correspondence of going out cloth mouth 12 sets up two back shaft 5, meter rice wheel 4 hug closely in advance two of cloth mouth 11 the radial terminal surface setting of back shaft 5. The cloth to be measured is clamped between the metering wheel 4 and the two supporting shafts 5 and is driven by the cloth guide mechanism 6 to move to pass through the lower part of the image acquisition module 1.
Cloth guide mechanism 6 is including dividing locating two fabric guide rollers 61 of 1 both sides of frame, two fabric guide roller 61 mutually supports the conveying cloth that awaits measuring certainly image acquisition module 1 below pass through by camera 21 shoots cloth surface image. Preferably, the rotation rate of the cloth guide roller 61 coincides with the rotation rate of the metering wheel 4.
The controller is a computer and is electrically connected with the light source module 2, the metering wheel 4, the cameras 21 and the cloth guide mechanism 6. The controller is used for controlling each part work, for example, the accessible the controller adjust the luminance of light source module 2 meter rice wheel 4 with the transmission rate of leading cloth mechanism 6, concrete regulation method adopt in this field conventional technical means can, the utility model discloses do not describe to this repeatedly. The measurement of having run on the controller 7 length of 4 cloth of meter rice wheel and discernment cloth surface defect's software, the controller is right the cloth surface image that camera 21 was shot is handled and is analyzed and get up this cloth surface image in the position relevance of locating on the cloth that awaits measuring, and concrete measurement cloth length method and discernment cloth defect method adopt in this field conventional technical means can, the utility model discloses do not describe to this redundantly.
The utility model discloses a working process does: when the detection begins, open light source module 3 and adjusted light source luminance, simultaneously cloth guide mechanism 6 will await measuring cloth from advancing cloth mouth 11 toward 12 direction conveying of cloth mouth, open meter rice wheel 4, meter rice wheel 4 triggers each camera 21 of image acquisition module 2 shoots cloth surface image to with the image transmission who gathers to the controller, simultaneously meter rice wheel 4 pivoted real-time number of turns also send to the controller, the controller is handled, is analyzed, is judged the image to finally reachd the testing result.
Further, along the width direction of the cloth, the image ranges shot by two adjacent cameras 21 are at least partially overlapped, so that in the width direction of the cloth, images can be shot at each position of the cloth, and finally the detection result of the whole cloth is more reliable.
Compared with the prior art, the utility model provides a cloth defect detecting system has following beneficial effect:
compared with a CCD industrial camera, the camera is lower in price and beneficial to reducing the production cost of an enterprise;
the first light source module and the second light source module are symmetrically arranged on two sides of the image acquisition module, so that the uniform illumination distribution in the shooting range of the image acquisition module is ensured;
triggering each camera to work synchronously through the metering wheel is favorable for associating the surface image of the cloth shot by the camera with the corresponding position on the cloth to be detected, and the position of the defect is conveniently searched subsequently.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (9)
1. A cloth defect detection system is characterized by comprising a frame, an image acquisition module, a light source module, a meter counting wheel, a supporting shaft and a cloth guide mechanism, wherein the image acquisition module, the light source module, the meter counting wheel, the supporting shaft and the cloth guide mechanism are fixed on the frame, the image acquisition module and the light source module are arranged on one side of the metering wheel, the metering wheel is arranged above the supporting shaft and is tightly attached to the radial end surface of the supporting shaft, the cloth to be measured is clamped between the metering wheel and the supporting shaft and is driven by the cloth guide mechanism to move to pass through the lower part of the image acquisition module, the image acquisition module is used for acquiring the surface images of the cloth passing below the image acquisition module, the image acquisition module comprises a plurality of cameras which are arranged in a straight line along the width direction array of the cloth, each camera is electrically connected with the meter counting wheel, and the meter counting wheel triggers each camera to work synchronously.
2. The cloth defect detecting system of claim 1, further comprising a controller, wherein the controller is a computer, the controller is electrically connected to the light source module, the meter wheel, each camera and the cloth guiding mechanism, and the controller is configured to control each component to operate and process and analyze the image of the surface of the cloth captured by the camera.
3. The cloth defect detection system of claim 1, wherein the range of images captured by two adjacent cameras at least partially overlap along the width of the cloth.
4. The cloth defect detecting system of claim 1, wherein the number of the support shafts is four, the four support shafts are all located on the same horizontal plane, and two ends of each support shaft are fixedly connected with the rack;
the cloth feeding device is characterized in that a cloth feeding port and a cloth discharging port are respectively formed in two opposite side faces of the rack, two supporting shafts are correspondingly arranged at the position of the cloth feeding port, two supporting shafts are correspondingly arranged at the position of the cloth discharging port, and the metering wheel is tightly attached to the two radial end faces of the two supporting shafts at the cloth feeding port.
5. The cloth defect detection system of claim 1, wherein the light source module comprises a first light source module and a second light source module, and the first light source module and the second light source module are symmetrically disposed on two sides of the image capturing module.
6. The cloth defect detection system of claim 5, wherein the first light source module and the second light source module each comprise a plurality of LED lights arranged in an array.
7. The cloth defect detecting system of claim 1, wherein the cloth guiding mechanism comprises two cloth guiding rollers respectively disposed at two sides of the frame, and the two cloth guiding rollers cooperate with each other to convey the cloth to be detected from below the image collecting module to pass through and the camera to capture the image of the surface of the cloth.
8. The cloth defect detection system of claim 7, wherein a rotational rate of the cloth guide roller is in accordance with a rotational rate of the meter wheel.
9. The cloth defect detection system of claim 1, wherein the camera is a normal camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020694267.6U CN212077431U (en) | 2020-04-29 | 2020-04-29 | Cloth defect detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020694267.6U CN212077431U (en) | 2020-04-29 | 2020-04-29 | Cloth defect detecting system |
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| CN212077431U true CN212077431U (en) | 2020-12-04 |
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| CN202020694267.6U Active CN212077431U (en) | 2020-04-29 | 2020-04-29 | Cloth defect detecting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114842470A (en) * | 2022-05-25 | 2022-08-02 | 南京农业大学 | Egg counting and positioning system under stacked cage culture mode |
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2020
- 2020-04-29 CN CN202020694267.6U patent/CN212077431U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114842470A (en) * | 2022-05-25 | 2022-08-02 | 南京农业大学 | Egg counting and positioning system under stacked cage culture mode |
| CN114842470B (en) * | 2022-05-25 | 2024-05-31 | 南京农业大学 | Egg counting and positioning system in stacked cage raising mode |
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